# import random
#
# singer = ["dengjianguo","zhuzhibo",'zengfenghua','cali',"yinxiang"]
#
# lucky_signer = random.choice(singer)
# print("接下来有请著名歌手{}演唱一首歌曲".format(lucky_signer))

singer = ["dengjianguo","zhuzhibo",'zengfenghua','cali',"yinxiang"]
print("著名歌手",singer[0],"还有一个著名歌手",singer[-1])
print("著名歌手{},还有一个著名歌手{}".format(singer[0],singer[-1]))

age = 18
weight = 130.5

print("歌手的名字是%s,歌手的年龄%s" % (singer[1],age))
print("歌手的名字%s,体重是%.1f"%(singer[1],weight))


